/*
 * Copyright 2013 Sigurd Randoll.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package de.digiway.rapidbreeze.server.infrastructure.rest.url;

import com.sun.jersey.api.JResponse;
import de.digiway.rapidbreeze.server.model.storage.StorageProvider;
import de.digiway.rapidbreeze.server.model.storage.StorageProviderDownloadClient;
import de.digiway.rapidbreeze.server.model.storage.StorageProviderRepository;
import de.digiway.rapidbreeze.shared.rest.ResourceLocation;
import de.digiway.rapidbreeze.shared.rest.url.UrlResource;
import java.net.MalformedURLException;
import java.net.URL;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

/**
 *
 * @author Sigurd
 */
@Path(ResourceLocation.URL_INFORMATION_RESOURCE_PATH)
public class UrlInformationResource {

    @Context
    private StorageProviderRepository storageProviderRepository;

    @GET
    @Path("{url}")
    @Produces(MediaType.APPLICATION_XML)
    public JResponse<UrlResource> getUrlInformation(@PathParam(value = "url") String urlIdentifier) {
        try {
            URL url = new URL(urlIdentifier);
            StorageProvider storageProvider = storageProviderRepository.getStorageProvider(url);
            if (storageProvider == null) {
                return new JResponse.JResponseBuilder<UrlResource>().status(Response.Status.NOT_FOUND.getStatusCode()).build();
            }
            StorageProviderDownloadClient client = storageProvider.createDownloadClient();
            UrlResource urlResource = UrlResourceFactory.createUrlResource(storageProvider, client.getUrlStatus(url));
            return new JResponse.JResponseBuilder<UrlResource>().status(Response.Status.OK).entity(urlResource).build();
        } catch (MalformedURLException ex) {
            return new JResponse.JResponseBuilder<UrlResource>().status(Response.Status.BAD_REQUEST.getStatusCode()).build();
        } catch (RuntimeException ex) {
            return new JResponse.JResponseBuilder<UrlResource>().status(Response.Status.INTERNAL_SERVER_ERROR.getStatusCode()).build();
        }
    }
}
